Question 4 Answer all parts. (a) Predict whether the [Cr(NH3)6]Cl2 complex will be high or low spin configuration knowin

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Question 4 Answer All Parts A Predict Whether The Cr Nh3 6 Cl2 Complex Will Be High Or Low Spin Configuration Knowin 1 (125.59 KiB) Viewed 54 times

Question 4 Answer all parts. (a) Predict whether the [Cr(NH3)6]Cl2 complex will be high or low spin configuration knowing that the observed magnetic moment is Mobs= 3.3 B.M. Clearly explain your answer. [5 marks] (b) How will a F free-ion term split in a high-spin octahedral or tetrahedral field? Clearly explain your answer. [5 marks] a (c) The action of air and water on aqueous [Co(H20)6]C13 unusually results in a reduction of the cobalt complex to produce ozone and hydrochloric acid. (i) Write the redox half-equations for this reaction and use them to write a full, balanced equation. [6 marks] (ii) What is the driving force for this reaction? [4 marks] End of Paper - An Appendix of 1 page follows Page 5 of 5 Appendix 1 Complex A (cm-1) 2 (cm) Measured Weff (UB) at 298 K 1 (pyH)3[TiClo] 12750 155 1.78 2 (Et4N)2[NiC14] 3500 -315 3.9 3 Ba[MnF6] 22000 199 3.80 4 [Fe(OH2)6]2(SO4)3 14000 0 5.92 py=pyridine, C5H3N.